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Finding the Fourth Proportional to 121,651.59, 167,875.72 and 67,202.67

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Solution

The fourth proportional to 121,651.59, 167,875.72 and 67,202.67 is: 92,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,651.59 : 167,875.72 = 67,202.67 : x
  2. Step 2: Convert to fraction form
    121,651.59/167,875.72 = 67,202.67/x
  3. Step 3: Cross multiply
    121,651.59x = 167,875.72 × 67,202.67
  4. Step 4: Simplify right side
    121,651.59x = 11,281,696,444.17
  5. Step 5: Solve for x
    x = 11,281,696,444.17/121,651.59
  6. Step 6: Final answer
    x = 92,737.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.